17992870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 37164096

約数和(自身を除く): 19171226

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401, 641, 802, 1282, 2005, 2807, 3205, 4010, 4487, 5614, 6410, 8974, 14035, 22435, 28070, 44870, 257041, 514082, 1285205, 1799287, 2570410, 3598574, 8996435, 17992870]

約数ペア:

[(1, 17992870), (2, 8996435), (5, 3598574), (7, 2570410), (10, 1799287), (14, 1285205), (35, 514082), (70, 257041), (401, 44870), (641, 28070), (802, 22435), (1282, 14035), (2005, 8974), (2807, 6410), (3205, 5614), (4010, 4487)]